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    • 9. 发明申请
    • LOW-TEMPERATURE POST-DOPANT ACTIVATION PROCESS
    • 低温后激活过程
    • WO2003036701A1
    • 2003-05-01
    • PCT/US2002/032555
    • 2002-10-11
    • ADVANCED MICRO DEVICES, INC.YU, BinOGLE, Robert, B.PATON, Eric, N.TABERY, Cyrus, E.XIANG, Qi
    • YU, BinOGLE, Robert, B.PATON, Eric, N.TABERY, Cyrus, E.XIANG, Qi
    • H01L21/268
    • H01L29/665H01L21/268
    • A method of manufacturing a MOSFET semiconductor device comprises forming a gate electrode (24) over a substrate (10) and a gate oxide (16) between the gate electrode (24) and the substrate (10); forming source/drain extensions (30, 32) in the substrate (10); forming first and second sidewall spacers (36, 38); implanting dopants (44) within the substrate (10) to form source/drain regions (40, 42) in the substrate (10) adjacent to the sidewalls spacers (36, 38); laser thermal annealing to activate the source/drain regions (40, 42); depositing a layer of nickel (46) over the source/drain regions (40, 42); and annealing to form a nickel silicide layer (46) disposed on the source/drain regions (40, 42). The source/drain extensions (30, 32) and sidewall spacers (36, 38) are adjacent to the gate electrode (24). The source/drain extensions (30, 32) can have a depth of about 5 to 30 nanometers, and the source/drain regions (40, 42) can have a depth of about 40 to 100 nanometers. The annealing is at temperatures from about 350 to 500 °C.
    • 一种制造MOSFET半导体器件的方法包括在栅电极(24)和衬底(10)之间的衬底(10)和栅氧化层(16)上形成栅电极(24)。 在所述衬底(10)中形成源极/漏极延伸部(30,32); 形成第一和第二侧壁间隔件(36,38); 在所述衬底(10)内注入掺杂剂(44)以在所述衬底(10)中邻近所述侧壁间隔物(36,38)形成源/漏区(40,42); 激光热退火以激活源/漏区(40,42); 在源/漏区(40,42)上沉积一层镍(46); 和退火以形成设置在源/漏区(40,42)上的硅化镍层(46)。 源极/漏极延伸部(30,32)和侧壁间隔物(36,38)与栅电极(24)相邻。 源极/漏极扩展部(30,32)可以具有约5至30纳米的深度,并且源极/漏极区域(40,42)可以具有约40至100纳米的深度。 退火温度在约350-500℃